Keywords: US Navy 110722-N-MV421-004 Chief of Naval Operations (CNO) Adm. Gary Roughead tours Naval Surface Warfare Center Carderock Division.jpg en PHILADELPHIA July 22 2011 Chief of Naval Operations CNO Adm Gary Roughead listens to Matthew Stauffer program manager for the DDG 1000 Integrated Power Systems Land-Based Test Site during a tour of Naval Surface Warfare Center Carderock Division-Ship Systems Engineering Station The division provides the Navy's primary technical expertise and facilities for both naval machinery research and development and naval machinery life cycle engineering U S Navy photo by Joseph Battista/Released 2011-07-22 110722-N-MV421-004 Navy http //www navy mil/view_image asp id 104746 U S Navy photo by Joseph Battista PD-USGov-Military-Navy Images from US Navy location Philadelphia PA |